#331F73#331F73

#331F73 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.2% C 0.136 H 287.1°. Best body text is #FFFFFF at 13.25:1 contrast (WCAG AA passes).

Color values

HEX	#331F73
RGB	rgb(51, 31, 115)
HSL	hsl(254, 58%, 29%)
HSV	hsv(254, 73%, 45%)
CMYK	cmyk(55.7%, 73%, 0%, 54.9%)
CIE-LAB	lab(19.73, 32.71, -45.07)
CIE-LCH	lch(19.73, 55.69, 305.97°)
OKLab	oklab(32.23% 0.0398 -0.1295)
OKLCH	oklch(32.23% 0.136 287.1)
XYZ	xyz(4.9488, 2.9213, 16.5194)
Luminance	0.0292 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#331F73 #5F731F

analogous

#1F3573 #331F73 #5D1F73

triadic

#331F73 #73331F #1F7333

tetradic

#331F73 #731F35 #5F731F #1F735D

square

#331F73 #731F35 #5F731F #1F735D

split-complementary

#331F73 #735D1F #35731F

monochromatic

#0B0618 #1E1243 #331F73 #482CA3 #6241CC

Accessibility & contrast

On white

13.25

#331F73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#331F73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #331F73

13.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##331F73	#FFFFFF	#000000	##FFFFFF
##331F73	1.00	13.25	1.58	13.25
#FFFFFF	13.25	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003276

Deuteranopia (green-blind)

#002D71

Tritanopia (blue-blind)

#193546

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #331f73;
/* rgb */ color: rgb(51, 31, 115);
/* oklch */ color: oklch(32.2% 0.136 287.1);

Tailwind

colors: {
  custom: {
    50: '#725c9c',
    500: '#331f73',
    950: '#000000',
  },
}

SCSS

$custom: #331f73;
$custom-light: #725c9c;
$custom-dark: #000000;

JSON

{
  "hex": "#331f73",
  "rgb": {
    "r": 51,
    "g": 31,
    "b": 115
  },
  "hsl": {
    "h": 254.286,
    "s": 57.534,
    "l": 28.627
  },
  "oklch": {
    "l": 0.32227,
    "c": 0.1355,
    "h": 287.1
  },
  "luminance": 0.02922
}

Semantic roles & 50–950 ramp

primary

#331F73

secondary

#90A747

accent

#E147BC

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #331F73

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →